Lactose
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Description
A double sugar molecule found naturally in milk solids. Lactose powder has a sweet taste and is used in infant foods and ice cream. It is also used as a sorbent in liquid chromatography.
Synonyms and Related Terms
4-o-beta-D-galactopyranosyl-D-glucose; milk sugar; saccharum lactis; lactin
Risks
- No known hazards.
- Fisher Scientific: SDS
Physical and Chemical Properties
Soluble in water. Slightly soluble in ethanol. Insoluble in ether and chloroform.
| Composition | C12H32O11-H2O |
|---|---|
| CAS | 63-42-3 |
| Melting Point | 201-202 C |
| Density | 1.525 g/ml |
| Molecular Weight | mol. wt. = 342.30 |
| Boiling Point | (dec) |
Resources and Citations
- Thomas Gregory, The Condensed Chemical Dictionary, Reinhold Publishing, New York, 3rd ed., 1942
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 5356